00446nam a22001577a 4500 2744 2744 200316b ||||| |||| 00| 0 eng d 0900976624 623.873 M4661 1463 May, E. R. Theory and practice of controllable pitch propellers / London I.M.E. 1976 25 p. MEP Series Vol.2, Part 13 Variable pitch Propellers BK 0 0 ddc 0 623_873000000000000_M4661 0 7517 CL CL 2020-03-16 623.873 M4661 04941 2020-03-16 BK 0 0 ddc 0 623_873000000000000_M4661 0 7518 CL CL 2020-03-16 623.873 M4661 04942 2020-03-16 BK 0 0 ddc 0 623_873000000000000_M4661 0 7519 CL CL 2020-03-16 623.873 M4661 04943 2020-03-16 BK 0 0 ddc 0 623_873000000000000_M4661 0 7520 CL CL 2020-03-16 623.873 M4661 04944 2020-03-16 BK 0 0 ddc 0 623_873000000000000_M4661 0 7885 CL CL 1979-06-12 623.873 M4661 05097 2020-03-18 BK